1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2/* 3 * Copyright (C) STMicroelectronics 2025 - All Rights Reserved 4 * Author: Amelie Delaunay <amelie.delaunay@foss.st.com> for STMicroelectronics. 5 */ 6 7/dts-v1/; 8 9#include "stm32mp157.dtsi" 10#include "stm32mp15xf.dtsi" 11#include "stm32mp15-pinctrl.dtsi" 12#include "stm32mp15xxac-pinctrl.dtsi" 13#include "stm32mp15xx-dkx.dtsi" 14#include "stm32mp157f-dk2-scmi.dtsi" 15 16/ { 17 model = "STMicroelectronics STM32MP157F-DK2 Discovery Board"; 18 compatible = "st,stm32mp157f-dk2", "st,stm32mp157"; 19 20 aliases { 21 ethernet0 = ðernet0; 22 serial3 = &usart2; 23 }; 24 25 chosen { 26 stdout-path = "serial0:115200n8"; 27 }; 28 29 wifi_pwrseq: wifi-pwrseq { 30 compatible = "mmc-pwrseq-simple"; 31 reset-gpios = <&gpioh 4 GPIO_ACTIVE_LOW>; 32 }; 33}; 34 35&arm_wdt { 36 timeout-sec = <32>; 37 status = "okay"; 38}; 39 40&cryp1 { 41 status = "okay"; 42}; 43 44&dsi { 45 #address-cells = <1>; 46 #size-cells = <0>; 47 status = "okay"; 48 49 panel@0 { 50 compatible = "orisetech,otm8009a"; 51 reg = <0>; 52 reset-gpios = <&gpioe 4 GPIO_ACTIVE_LOW>; 53 power-supply = <&scmi_v3v3>; 54 55 port { 56 panel_in: endpoint { 57 remote-endpoint = <&dsi_out>; 58 }; 59 }; 60 }; 61}; 62 63&dsi_in { 64 remote-endpoint = <<dc_ep1_out>; 65}; 66 67&dsi_out { 68 remote-endpoint = <&panel_in>; 69}; 70 71&i2c1 { 72 touchscreen@38 { 73 compatible = "focaltech,ft6236"; 74 reg = <0x38>; 75 interrupts = <2 IRQ_TYPE_EDGE_FALLING>; 76 interrupt-parent = <&gpiof>; 77 touchscreen-size-x = <480>; 78 touchscreen-size-y = <800>; 79 }; 80}; 81 82/* I2C4 is managed by OP-TEE */ 83&i2c4 { 84 status = "disabled"; 85 86 /* i2c4 subnodes, which won't be managed by Linux */ 87 typec@28 { 88 status = "disabled"; 89 connector { 90 status = "disabled"; 91 }; 92 }; 93 94 stpmic@33 { 95 status = "disabled"; 96 }; 97}; 98 99<dc { 100 status = "okay"; 101 102 port { 103 #address-cells = <1>; 104 #size-cells = <0>; 105 106 ltdc_ep1_out: endpoint@1 { 107 reg = <1>; 108 remote-endpoint = <&dsi_in>; 109 }; 110 }; 111}; 112 113&rtc { 114 pinctrl-names = "default"; 115 pinctrl-0 = <&rtc_rsvd_pins_a>; 116 117 rtc_lsco_pins_a: rtc-lsco-0 { 118 pins = "out2_rmp"; 119 function = "lsco"; 120 }; 121}; 122 123/* Wifi */ 124&sdmmc2 { 125 pinctrl-names = "default", "opendrain", "sleep"; 126 pinctrl-0 = <&sdmmc2_b4_pins_a>; 127 pinctrl-1 = <&sdmmc2_b4_od_pins_a>; 128 pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>; 129 non-removable; 130 cap-sdio-irq; 131 st,neg-edge; 132 bus-width = <4>; 133 vmmc-supply = <&scmi_v3v3>; 134 mmc-pwrseq = <&wifi_pwrseq>; 135 #address-cells = <1>; 136 #size-cells = <0>; 137 status = "okay"; 138 139 brcmf: wifi@1 { 140 reg = <1>; 141 compatible = "brcm,bcm4329-fmac"; 142 pinctrl-names = "default"; 143 pinctrl-0 = <&rtc_lsco_pins_a>; 144 }; 145}; 146 147/* Bluetooth */ 148&usart2 { 149 pinctrl-names = "default", "sleep", "idle"; 150 pinctrl-0 = <&usart2_pins_c>; 151 pinctrl-1 = <&usart2_sleep_pins_c>; 152 pinctrl-2 = <&usart2_idle_pins_c>; 153 uart-has-rtscts; 154 status = "okay"; 155 156 bluetooth { 157 shutdown-gpios = <&gpioz 6 GPIO_ACTIVE_HIGH>; 158 compatible = "brcm,bcm43438-bt"; 159 max-speed = <3000000>; 160 vbat-supply = <&scmi_v3v3>; 161 vddio-supply = <&scmi_v3v3>; 162 }; 163}; 164 165/* Since I2C4 is disabled, STUSB1600 is also disabled so there is no Type-C support */ 166&usbotg_hs { 167 dr_mode = "peripheral"; 168 role-switch-default-mode = "peripheral"; 169 /* 170 * Forcing dr_mode = "peripheral"/"role-switch-default-mode = "peripheral"; 171 * will cause the pull-up on D+/D- to be raised as soon as the OTG is configured at runtime, 172 * regardless of the presence of VBUS. Notice that on self-powered devices like 173 * stm32mp157f-dk2, this isn't compliant with the USB standard. That's why usbotg_hs is kept 174 * disabled here. 175 */ 176 status = "disabled"; 177}; 178